IRJET- Stabilizatoin of Black Cotton Soil by using Geotextile Material in Road Consruction

International Research Journal of Engineering and Technology (IRJET)

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Volume: 05 Issue: 12 | Dec 2018

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STABILIZATOIN OF BLACK COTTON SOIL BY USING GEOTEXTILE MATERIAL IN ROAD CONSRUCTION Namrata D Sune1, S.A Deshmukh2 1ME

student (Transportaion Engg & Mgmt), Dept of Civil Engg, DRGIT&R, Amravati, Maharashtra, India Professior, Dept of Civil Engg, Ram Meghe Institute of Technology & Research Amravati, Maharashtra, India ----------------------------------------------------------------------***--------------------------------------------------------------------2Assistant

Abstract - Geotextile material a newly emerging field in the civil engineering and other field i.e. road work, river canal work, drainage etc Considerable length of roads planned to be constructed in India under various programmes require construction over poor subgrade soils. The performance of a road largely depends on properties of the subgrade soil. One such subgrade soil often encountered is the black cotton (BC) soil. It is inorganic clay of medium to high compressibility, high shrinkage and swelling property, very hard when dry, but lose its strength completely when in wet condition. As a result of wetting and drying process, vertical movement takes place in the soil mass leading to failure of pavement, in the form of settlement, heavy depression, cracking and unevenness.in order to improve the stabilization of BC soil the geotextile material has a scope as reinforcement. The overview of various synthesis geotextile fibre used in road construction.

This capacity is used for Cotton cultivation, hence they also called Regular Black Cotton Soil 3.1.2 High Density Polyethylene (HDPE) Polyethylene (PE), also known as polyethene (IUPAC name) or polythene, is a major group of thermoplastic polymers, produced by the polymerization of ethylene. Depending on the polymerization process used, various types of polyethylene with differing properties can be obtained.

Key Words: Key words:- black cotton soil, polypropylene fiber, polyethylene fiber, compaction test 1. INTRODUCTION A developing country like India which has a large geographical area and population, demands vast infrastructure i.e. network of roads and buildings.

Everywhere land is being utilized for various structures from ordinary house to sky scrapers, bridges to airports and from rural roads to expressways.

3.1.3Polypropylene

1.1 OBJECTIVES

Polypropylene (PP), also known as polypropene, is a thermoplastic polymer used in a wide variety of applications.

It is produced via chain-growth polymerization from the monomer propylene.

1.To study the effect of the soil strength after the application of geotextile materials 2 To conduct the primary soil tests such as natural Proctor Compaction Test 3.To study the results drawn from above tests for the unreinforced and reinforced soil with different percentages like 1%, 2%, 3%, 4% & 5%.

3. METHODOLOGY 3.1 MATERIALS 3.1.1 Black Cotton Soil Black soils are formed by lava basaltic rocks. Hence they are very dark in color. They develop cracks during dry period and swell if got moisture, hence they are self-tilling in nature, that’s why they are fertile and can hold water for long time.

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International Research Journal of Engineering and Technology (IRJET)

e-ISSN: 2395-0056

Volume: 05 Issue: 12 | Dec 2018

p-ISSN: 2395-0072

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4. IMPLEMENTATION 4.1 COMPACTION TEST The Modified Proctor’s Test have been conducted for the determination of the Optimum Moisture Content (w) and Maximum Dry Density (ϒd(max)) of the plain (Table4.1) as well as reinforced soil (Table-4.2) by compacting the soil samples manually.

Table 4.1: Data for OMC-MDD of Plain Soil Samples.

Sample No.

Dry (g/cc)

Density

Water (%)

Content

1

1.67

7.56

2

1.76

6.83

3

1.89

7.98

4

1.72

10.11

Graph 4.2: OMC – MDD Curve for Soil Sample reinforced with Polypropelene The maximum dry density of the soil reinforced with different percentages of PP at 3 mm length has been found from the curve drawn in fig.4.2 and are tabulated given below in Table 4.2.

Do not use abbreviations in the title or heads unless they are unavoidable.

Soil reinforced with Polyethylene (HDPE) Table 4.3: Data of OMC – MDD for the Soil Reinforced with Polyethylene Percentage HDPE added (%)

Maximum dry density (g/cm3)

Optimum Moisture Content (%)

Unreinforced Soil

1.89

7.98

Soil reinforced with Polypropylene

1

1.91

12.56

The maximum dry density of the plain soil has been found as 1.89g/cc at 7.98% of optimum moisture content from the curve drawn in fig. 4.1 and tabulated given in Table 4.1.

2

1.98

15.92

3

2.21

14.83

4

3.15

16.41

5

1.88

11.32

Table 4.2: Data of OMC – MDD for the Soil Reinforced with Polypropylene Length of PP

Percentage of PP with soil (%)

3mm

0 1 2 3 4 5

Dry Density (g/cc) 1.89 1.97 2.05 1.93 1.86 1.82

Water Content (%) 7.98 9.89 11.23 12.98 14.87 15.36

Fig -1: Name of the figure

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Volume: 05 Issue: 12 | Dec 2018

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Soil samples were air dried and pulverized and those passing through IS 20 mm sieve were used for the test.

Light compaction test was conducted on unreinforced soil and in six samples of reinforced soil with 1%, 2%, 3%, 4% and 5% of HDPE respectively. The results so obtained are shown in Table 4.3. The water content vs. dry density curves for all the samples are shown in Figure 4.3.

3. Achmad Fauzi, Zuraidah Djauhari, and Usama Juniansyah Fauzi (2015), “Soil Engineering Properties Improvement by Utilization of Cut Waste Plastic and Crushed Waste Glass as Additive”, International Journal of Engineering and Technology, Vol. 8.

Unreinforced Black Cotton soil showed optimum moisture content of 7.98% and a maximum dry density of 1.89g/cm3.

It was observed that addition of HDPE strips increased the maximum dry density, with the optimum value being at 4% HDPE. Optimum moisture content was observed to be decreasing with increasing percentages of HDPE with the optimum value being at 4% HDPE 3. CONCLUSIONS In this study it is evident that geotextile soil techniques enchances the strength properties of the well designed earthern structures. This is being proved in this study conducting tests in poor soil. For road construction, the strength of the soil can be improve by means of reinforcement geotextile material.

BC SOIL REINFORCED WITH POLYPROPYLENE (PP) i. ii.

Maximum dry density of the soil sample increased with increasing percentages of PP strips, optimum value being that at 2% PP. The Optimum moisture content decreased with increasing percentages of PP. The optimum value was obtained at 2% PP. At 2% PP, the Optimum moisture content obtained was about double as that of unreinforced soil.

BC SOIL REINFORCED POLYETHYLENE (HDPE) i. ii.

WITH

HIGH

DENSITY

Maximum dry density of the soil sample increased with increasing percentages of HDPE strips, optimum value being that at 4% HDPE. The Optimum moisture content decreased with increasing percentages of HDPE. The optimum value was obtained at 4% HDPE. At 4% HDPE, the Optimum moisture content obtained was about double as that of unreinforced soil.

REFERENCES 1. Ghataora G.S., (2011), “Behaviour of fiber-reinforced and stabilized clayed soils subjected to cyclic loading”, Studia Geotechnica et Mechanica M. Young, The Technical Writer’s Handbook. Mill Valley, CA: University Science, 1989.

2. ARORA Dr. K. R. “Soil mechanics and foundation engineering”. (Geotechnical Engineering). Standard Publishers Distributors

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